x=0:1:2;
y=[0.89371,0.88889,0.88822];
plot(x,y,'-b.','LineWidth',2,'Markersize',16)
xlabel('Kw')
ylabel('RMSE')
set(gca,'xlim',[0,2]);
set(gca,'xtick',0:1:2);
set(gca,'xticklabel',[100,200,300]);
set(gca,'ylim',[0.86,0.9]);
set(gca,'ytick',0.86:0.01:0.9);
set(gca,'yticklabel',0.86:0.01:0.9);